Install Android 4.4.3 Update on Nexus 5 [Factory image]

Google has just released its Android 4.4.3 for the Nexus devices. The new update come with some new feature and some improvements like improved dialer app with a colored Action bar, fixed bugs related to the Camera app and Bluetooth and lots more. The new update is available now and you can update your nexus 5 via the OTA method. If you cannot wait for the OTA update and want to install the latest Android 4.4.3 Update KTU84M on your nexus 5, you can install this update on your device manually. Below is the complete guide which you can follow on your Nexus 5 and install the latest update on your phone. The steps below will also work if you have a custom ROM, kernel or have root access on your Nexus device.

WARNING!

We the Howtorootmobile.com team or the developers are not responsible for bricked devices, dead SD cards. Read all the instruction very carefully and Perform everything at your own risk.

CHECK PHONE MODEL

This guide is only for the Nexus 5 android smartphone. Don’t try this method on any of other Android devices, It may hard brick your device. So, first confirm your phone model number in your android phone settings. To do this Go the Settings page of your device and check out the “About Device” option.

PRE-REQUISITES AND REQUIREMENTS

Before following the below Mention guide, It’s always recommended to follow our pre-requisites and requirement to stay safe.

1. BACKUP YOUR ANDROID DATA

Do take the Full Backup of your Android Apps, SMS, Contacts, Call Logs, Bookmarks. This one is one of the most important step that you have to follow, as we don’t want anyone losing their personal data or apps. For help on Backup and Restore check out the below mention guides.

2. INSTALL NEXUS DRIVERS

You need these drivers to connect your device with the computer to follow this guide. Without these USB drivers you can’t connect your device to the PC, first download and install these drivers on your system.

3. ENABLE USB DEBUGGING MODE

4. CHARGE YOU ANDROID

If your device switched off during this process, it could damage or brick the device. Make sure that your Android battery is full charge or near about 50-70% battery level.

After following the above mention steps follow the below mention guide one by one to proceed with the tutorial. All the above mention steps are very important, so do follow all the steps and do exactly what is told.

Step 3. Now extract the Android 4.4.3 Factory Image KTU84M here folder on your desktop and move all the files in the ADB/Fastboot folder. The same folder that you downloaded on the Step 2.

Step 4. Connect you phone to the PC with the help of USB cable.

Step 5. Now Turn OFF your phone. Get into the Fastboot/Bootloader Mode on your phone. Turn ON the phone while pressing and holding the Volume Up + Volume Down + Power buttons till you see the Fastboot menu and START on top.

Step 6. Now open the ADB/Fastboot folder on your desktop and do the following depending which OS you are on:

On Windows: Run the file “flash-all.bat”.
On Mac: Run the file “flash-all.sh” using Terminal.
On Linux: Run the file “flash-all.sh”.

Step 7. Now wait and watch as the process is completed — or follow the on-screen instructions on your phone.

After the installation completes, the phone will boot now and this will take some time. Now your Nexus 5 is running on the latest Android 4.4.3 Update